PartsTable
Technical Data Sheet
Download PDF

37100HCF18-8 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

37100HCF18-8: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.234375 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.00 INCHES NOMINAL IN, fastener_length: 1.234375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-668-4698, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
37100HCF18-8
NSN: 5305-01-668-4698
FSC: 5305 — Screws
CAGE: 5B4N5 — SEMS AND SPECIALS, INC. DBA SEMS & SPECIALS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.234375 INCHES NOMINAL IN
thread_class2A A
thread_length1.00 INCHES NOMINAL IN
fastener_length1.234375 INCHES NOMINAL IN
hardness_rating95.0 ROCKWELL B NOMINAL OVERALL
thread_directionRIGHT-HAND
width_between_flats0.5625 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
extended_washer_diameter1.015 INCHES NOMINAL IN
minimum_tensile_strength100000 POUNDS PER SQUARE INCH LBS
NSN5305-01-668-4698
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 37100HCF18-8 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
EXTENDED WASHER THICKNESS: 0.064 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.234375 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.234375 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 1.015 INCHES NOMINAL IN
•
THREAD LENGTH: 1.00 INCHES NOMINAL IN
•
HARDNESS RATING: 95.0 ROCKWELL B NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.064 INCHES NOMINAL IN
HEAD HEIGHT0.234375 INCHES NOMINAL IN
FASTENER LENGTH1.234375 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER1.015 INCHES NOMINAL IN
THREAD LENGTH1.00 INCHES NOMINAL IN
HARDNESS RATING95.0 ROCKWELL B NOMINAL OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.5625 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
90300A180Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 37100HCF18-8?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 37100HCF18-8?
37100HCF18-8 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 37100HCF18-8?
There is 1 known substitute for 37100HCF18-8: 90300A180. Substitute compatibility should be verified for your specific system.
What is the NSN for 37100HCF18-8?
37100HCF18-8 is cataloged in the U.S. Government catalog under NSN 5305-01-668-4698. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 37100HCF18-8

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.